Why Aren’t Call Options More Expensive Than Put Options? (In This Toy Example)

call options

In the Robot Wealth Pro Community, we’ve started doing weekend “quant-teasers” where we discuss the solutions to quant problems. Here is a recent one… Why aren’t calls more expensive than puts for an asset which is more likely to go up than down? We have an asset trading at $100 for which the distribution of …

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Weekly Roundup 29 May – Crash Protection, Sloppy Regressions and Data Munging Skillz

Here’s a round-up of our new articles this week. They cover crash protection, sloppy, noisy regressions, and data-munging skills. Finding Options for Effective Crash Protection Large capital losses can be devastating to your trading account. A couple of weeks ago, we explained how you can use SPY put options to protect your portfolio against severe market …

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Weekly Roundup 22 May – Doubling Down in Losing Trades Like a Drunken Hedge Fund Manager

Here’s a round-up of our new articles this week. They cover options trading, digital signal processing, data munging and Kris’s luxurious moustache… Trading Insanity! Every new trader tries out a few insane trading ideas! In a new series on the blog, Kris explores three insane trading strategies that tempted him back when he didn’t know any …

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How to Hedge a Portfolio with Put Options

There are 2 good reasons to buy put options: because you think they are cheap because you want downside protection. In the latter case, you are looking to use the skewed payoff profile of the put option to protect a portfolio against large downside moves without capping your upside too much. The first requires a …

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Are SPX Options Expensive?

Options are non-linear financial products that allow you to do useful things that you can’t easily do with other financial instruments. Let me give a specific illustration of options being useful… The chart below shows the monthly cumulative % performance of our RW systematic trading portfolio since we started trading it in October 2018. The …

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